592
CDUS45 KBYZ 172231
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
431 PM MDT WED SEP 17 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 17 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 72 259 PM 91 2009 74 -2 75
MINIMUM 51 731 AM 26 1965 48 3 53
AVERAGE 62 61 1 64
PRECIPITATION (IN)
TODAY 0.00 0.57 1942 0.04 -0.04 0.07
MONTH TO DATE 0.71 0.72 -0.01 0.49
SINCE OCT 1 15.47 13.67 1.80 11.82
SINCE JAN 1 14.17 11.13 3.04 9.43
SNOWFALL (IN)
TODAY MM T 1965 0.0 MM 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 3 6 -3 1
MONTH TO DATE 26 63 -37 12
SINCE SEP 1 26 63 -37 12
SINCE JUL 1 42 99 -57 26
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 51 48 3 82
SINCE SEP 1 51 48 3 82
SINCE JAN 1 636 643 -7 749
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 7.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 500 AM
LOWEST 41 300 PM
AVERAGE 69
......................................................
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 92 1937
1984
MINIMUM TEMPERATURE (F) 48 28 1971
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 655 AM MDT SUNSET 721 PM MDT
SEPTEMBER 18 2025.....SUNRISE 657 AM MDT SUNSET 719 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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